[phenixbb] chain definition in phenix

Tom Terwilliger terwilliger at lanl.gov
Tue Dec 18 09:15:00 PST 2007

Hi Kornelius,

I am checking this out...but for the moment here is a solution:

You can use 2-character chain codes in phenix.  They go in the usual 
column for chain ID and the column just before it.

So columns 21-22 in your PDB file could be:
" A"  (chain A, usual syntax)
" B"
" C" ...etc
" 0"
" 1"
" 9"
"AA" (chain AA, recognized only by  hybrid-36 compatible programs)
"AC" ...etc

-Tom T

At 06:34 AM 12/18/2007, you wrote:
>Dear all,
>I'm trying to refine/rebuild a structure of 48 identical chains. In 
>Refmac the small letters a, b, c and 0 1 2 for the chains work quite 
>well and are distinguished. However that does not apply to Phenix 
>which sees A equal to a. What might be the solution to use?
>Thanks and best wishes
>  ----------------------------------------------
>  Kornelius Zeth
>  Max Planck Institute for Developmental Biology
>  Dept. Protein Evolution
>  Spemannstr. 35
>  72076 Tuebingen, Germany
>  kornelius.zeth at tuebingen.mpg.de
>  Tel -49 7071 601 323
>  Fax -49 7071 601 349
>phenixbb mailing list
>phenixbb at phenix-online.org

Thomas C. Terwilliger
Mail Stop M888
Los Alamos National Laboratory
Los Alamos, NM 87545

Tel:  505-667-0072                 email: terwilliger at LANL.gov
Fax: 505-665-3024                 SOLVE web site: http://solve.lanl.gov
PHENIX web site: http:www.phenix-online.org
ISFI Integrated Center for Structure and Function Innovation web 
site: http://techcenter.mbi.ucla.edu
TB Structural Genomics Consortium web site: http://www.doe-mbi.ucla.edu/TB

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